PLMR

SEC source: 0001214659-26-006696 · marketforms-73237.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 332,888

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.34 to $114.32 (weighted average of $113.9306), inclusive; $114.37 to $115.25 (weighted average of $114.6693). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-006696 · marketforms-73237.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 335,060

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.34 to $114.32 (weighted average of $113.9306), inclusive; $114.37 to $115.25 (weighted average of $114.6693). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-006734 · marketforms-73256.xml · nonDerivative · entry 1

Bradley Daryl · CIK 0001814280 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,312

F1 · shares: The amount reported reflects Restricted Stock Units (RSUs) granted to the Reporting Person pursuant to Issuer's 2019 Equity Incentive Plan. Subject to the Reporting Person's continued service, the RSUs shall vest in full upon the earlier to occur of (1) the first anniversary of the Grant Date or (2) the next annual meeting of stockholders of the Company.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001214659-26-006738 · marketforms-73260.xml · nonDerivative · entry 1

Notaras Martha · CIK 0001803071 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,174

F1 · shares: The amount reported reflects Restricted Stock Units (RSUs) granted to the Reporting Person pursuant to Issuer's 2019 Equity Incentive Plan. Subject to the Reporting Person's continued service, the RSUs shall vest in full upon the earlier to occur of (1) the first anniversary of the Grant Date or (2) the next annual meeting of stockholders of the Company.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001214659-26-006733 · marketforms-73262.xml · nonDerivative · entry 3

BEISER SCOTT L · CIK 0001649212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,173

F1 · shares: The amount reported reflects Restricted Stock Units (RSUs) granted to the Reporting Person pursuant to Issuer's 2019 Equity Incentive Plan. Subject to the Reporting Person's continued service, the RSUs shall vest in full upon the earlier to occur of (1) the first anniversary of the Grant Date or (2) the next annual meeting of stockholders of the Company.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001214659-26-006733 · marketforms-73262.xml · nonDerivative · entry 2

BEISER SCOTT L · CIK 0001649212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 869

F1 · shares: The amount reported reflects Restricted Stock Units (RSUs) granted to the Reporting Person pursuant to Issuer's 2019 Equity Incentive Plan. Subject to the Reporting Person's continued service, the RSUs shall vest in full upon the earlier to occur of (1) the first anniversary of the Grant Date or (2) the next annual meeting of stockholders of the Company.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001214659-26-006735 · marketforms-73257.xml · nonDerivative · entry 1

BRADLEY THOMAS A · CIK 0001198917 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,074

F1 · shares: The amount reported reflects Restricted Stock Units (RSUs) granted to the Reporting Person pursuant to Issuer's 2019 Equity Incentive Plan. Subject to the Reporting Person's continued service, the RSUs shall vest in full upon the earlier to occur of (1) the first anniversary of the Grant Date or (2) the next annual meeting of stockholders of the Company.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001214659-26-006737 · marketforms-73259.xml · nonDerivative · entry 1

Middleton Daina · CIK 0001620476 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,509

F1 · shares: The amount reported reflects Restricted Stock Units (RSUs) granted to the Reporting Person pursuant to Issuer's 2019 Equity Incentive Plan. Subject to the Reporting Person's continued service, the RSUs shall vest in full upon the earlier to occur of (1) the first anniversary of the Grant Date or (2) the next annual meeting of stockholders of the Company.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001214659-26-006736 · marketforms-73258.xml · nonDerivative · entry 1

Fallon Catriona M · CIK 0001649289 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,355

F1 · shares: The amount reported reflects Restricted Stock Units (RSUs) granted to the Reporting Person pursuant to Issuer's 2019 Equity Incentive Plan. Subject to the Reporting Person's continued service, the RSUs shall vest in full upon the earlier to occur of (1) the first anniversary of the Grant Date or (2) the next annual meeting of stockholders of the Company.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001214659-26-006739 · marketforms-73261.xml · nonDerivative · entry 1

Taketa Richard H · CIK 0001772375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,030

F1 · shares: The amount reported reflects Restricted Stock Units (RSUs) granted to the Reporting Person pursuant to Issuer's 2019 Equity Incentive Plan. Subject to the Reporting Person's continued service, the RSUs shall vest in full upon the earlier to occur of (1) the first anniversary of the Grant Date or (2) the next annual meeting of stockholders of the Company.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001214659-26-006612 · marketforms-73211.xml · derivative · entry 3

Knutzen Jonathan · CIK 0001808325 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,224

Underlying: Common Stock · 612 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The original RSU grant was for 12,238 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 2,448 units shall vest on the first year anniversary of the date of the grant; 2,447 units shall vest on the second year anniversary of the date of the grant; 2,447 units shall vest on the third year anniversary of the date of grant; and 612 units shall vest quarterly following the third anniversary date of the grant.

F3 · derivative.expiration_date: The original RSU grant was for 12,238 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 2,448 units shall vest on the first year anniversary of the date of the grant; 2,447 units shall vest on the second year anniversary of the date of the grant; 2,447 units shall vest on the third year anniversary of the date of grant; and 612 units shall vest quarterly following the third anniversary date of the grant.

SEC source: 0001214659-26-006612 · marketforms-73211.xml · nonDerivative · entry 2

Knutzen Jonathan · CIK 0001808325 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,934

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 1,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-006612 · marketforms-73211.xml · nonDerivative · entry 1

Knutzen Jonathan · CIK 0001808325 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,215

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 1,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-006611 · marketforms-73210.xml · derivative · entry 3

Uchida T Christopher · CIK 0001772379 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,060

Underlying: Common Stock · 1,530 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The original RSU grant was for 30,594 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 6,118 units shall vest on the first year anniversary of the date of the grant; 6,118 units shall vest on the second year anniversary of the date of the grant; 6,118 units shall vest on the third year anniversary of the date of grant; and 1,530 units shall vest quarterly following the third anniversary date of the grant. These vesting terms reflect updates from the vesting terms stated on the original form 4, filed November 18, 2021, due to erroneous vesting terms being stated on the original form 4.

F2 · derivative.expiration_date: The original RSU grant was for 30,594 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 6,118 units shall vest on the first year anniversary of the date of the grant; 6,118 units shall vest on the second year anniversary of the date of the grant; 6,118 units shall vest on the third year anniversary of the date of grant; and 1,530 units shall vest quarterly following the third anniversary date of the grant. These vesting terms reflect updates from the vesting terms stated on the original form 4, filed November 18, 2021, due to erroneous vesting terms being stated on the original form 4.

SEC source: 0001214659-26-006611 · marketforms-73210.xml · nonDerivative · entry 2

Uchida T Christopher · CIK 0001772379 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,499

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

SEC source: 0001214659-26-006611 · marketforms-73210.xml · nonDerivative · entry 1

Uchida T Christopher · CIK 0001772379 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,282

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001214659-26-006609 · marketforms-73208.xml · derivative · entry 3

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,040

Underlying: Common Stock · 1,020 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The original RSU grant was for 20,396 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 4,079 units shall vest on the first year anniversary of the date of the grant; 4,079 units shall vest on the second year anniversary of the date of the grant; 4,078 units shall vest on the third year anniversary of the date of grant; and 1,020 units shall vest quarterly following the third anniversary date of the grant.

F3 · derivative.expiration_date: The original RSU grant was for 20,396 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 4,079 units shall vest on the first year anniversary of the date of the grant; 4,079 units shall vest on the second year anniversary of the date of the grant; 4,078 units shall vest on the third year anniversary of the date of grant; and 1,020 units shall vest quarterly following the third anniversary date of the grant.

SEC source: 0001214659-26-006609 · marketforms-73208.xml · nonDerivative · entry 2

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,478

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 2,471 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-006609 · marketforms-73208.xml · nonDerivative · entry 1

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 2,471 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004979 · marketforms-72973.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 336,388

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.48 to $130.46 (weighted average of $129.9052), inclusive; $130.48 to $131.32 (weighted average of $131.1113); and $131.50 to $132.01 (weighted average of $131.7333). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-004979 · marketforms-72973.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 337,588

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.48 to $130.46 (weighted average of $129.9052), inclusive; $130.48 to $131.32 (weighted average of $131.1113); and $131.50 to $132.01 (weighted average of $131.7333). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-004979 · marketforms-72973.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 338,266

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.48 to $130.46 (weighted average of $129.9052), inclusive; $130.48 to $131.32 (weighted average of $131.1113); and $131.50 to $132.01 (weighted average of $131.7333). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-004741 · marketforms-72942.xml · derivative · entry 4

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,937 shares

Expires 2029-04-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Fifty percent (50%) of the option shares vest and become exercisable on April 16, 2020 and the remaining option shares vest and become exercisable in twelve (12) equal monthly installments thereafter.

SEC source: 0001214659-26-004741 · marketforms-72942.xml · nonDerivative · entry 3

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,919

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.0100 to $128.9600 (weighted average of $128.5921), inclusive; $129.1600 to $129.4300 (weighted average of $129.3333), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F1 · balance_after: Includes 2,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004741 · marketforms-72942.xml · nonDerivative · entry 2

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,999

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.0100 to $128.9600 (weighted average of $128.5921), inclusive; $129.1600 to $129.4300 (weighted average of $129.3333), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F1 · balance_after: Includes 2,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004741 · marketforms-72942.xml · nonDerivative · entry 1

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,856

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes 2,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004800 · marketforms-72946.xml · derivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 6,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The original RSU grant was for 125,000 shares on 7/15/2021. Subject to the Reporting Person's continuing service with the Company, the RSUs shall vest as follows: 25,000 shares shall vest on the first year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the second year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the third year anniversary of the Grant Date/Vesting Base Date; after the third anniversary of the Grant Date/Vesting Base Date, 6,250 shares shall vest on a quarterly basis thereafter, until fully vested.

F3 · derivative.expiration_date: The original RSU grant was for 125,000 shares on 7/15/2021. Subject to the Reporting Person's continuing service with the Company, the RSUs shall vest as follows: 25,000 shares shall vest on the first year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the second year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the third year anniversary of the Grant Date/Vesting Base Date; after the third anniversary of the Grant Date/Vesting Base Date, 6,250 shares shall vest on a quarterly basis thereafter, until fully vested.

SEC source: 0001214659-26-004800 · marketforms-72946.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,059

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004800 · marketforms-72946.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,256

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004466 · marketforms-72905.xml · nonDerivative · entry 1

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,919

F1 · balance_after: Includes 2,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004740 · marketforms-72940.xml · derivative · entry 3

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,937

Underlying: Common Stock · 3,000 shares

Expires 2029-04-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: This Form 4/A amends the Form 4 originally filed on April 8, 2026 to correctly reflect the option exercise and related sale, which were previously reported as a sale only.

F3 · derivative.exercise_date: Fifty percent (50%) of the option shares vest and become exercisable on April 16, 2020 and the remaining option shares vest and become exercisable in the twelve (12) equal monthly installments thereafter.

SEC source: 0001214659-26-004740 · marketforms-72940.xml · nonDerivative · entry 2

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,919

F1 · security: This Form 4/A amends the Form 4 originally filed on April 8, 2026 to correctly reflect the option exercise and related sale, which were previously reported as a sale only.

F2 · balance_after: Includes 2,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-004740 · marketforms-72940.xml · nonDerivative · entry 1

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,919

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: This Form 4/A amends the Form 4 originally filed on April 8, 2026 to correctly reflect the option exercise and related sale, which were previously reported as a sale only.

F2 · balance_after: Includes 2,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-003787 · marketforms-72731.xml · nonDerivative · entry 5

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 339,888

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-003787 · marketforms-72731.xml · nonDerivative · entry 4

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 340,866

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-003787 · marketforms-72731.xml · nonDerivative · entry 3

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 342,488

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-003787 · marketforms-72731.xml · nonDerivative · entry 2

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 342,988

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-002247 · marketforms-72280.xml · derivative · entry 3

Knutzen Jonathan · CIK 0001808325 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,836

Underlying: Common Stock · 612 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The original RSU grant was for 12,238 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 2,448 units shall vest on the first year anniversary of the date of the grant; 2,447 units shall vest on the second year anniversary of the date of the grant; 2,447 units shall vest on the third year anniversary of the date of grant; and 612 units shall vest quarterly following the third anniversary date of the grant.

F3 · derivative.expiration_date: The original RSU grant was for 12,238 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 2,448 units shall vest on the first year anniversary of the date of the grant; 2,447 units shall vest on the second year anniversary of the date of the grant; 2,447 units shall vest on the third year anniversary of the date of grant; and 612 units shall vest quarterly following the third anniversary date of the grant.

SEC source: 0001214659-26-002247 · marketforms-72280.xml · nonDerivative · entry 2

Knutzen Jonathan · CIK 0001808325 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,579

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 1,386 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-002247 · marketforms-72280.xml · nonDerivative · entry 1

Knutzen Jonathan · CIK 0001808325 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,860

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 1,386 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-002249 · marketforms-72282.xml · derivative · entry 3

Uchida T Christopher · CIK 0001772379 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,590

Underlying: Common Stock · 1,530 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The original RSU grant was for 30,594 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 6,118 units shall vest on the first year anniversary of the date of the grant; 6,118 units shall vest on the second year anniversary of the date of the grant; 6,118 units shall vest on the third year anniversary of the date of grant; and 1,530 units shall vest quarterly following the third anniversary date of the grant. These vesting terms reflect updates from the vesting terms stated on the original form 4, filed November 18, 2021, due to erroneous vesting terms being stated on the original form 4.

F2 · derivative.expiration_date: The original RSU grant was for 30,594 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 6,118 units shall vest on the first year anniversary of the date of the grant; 6,118 units shall vest on the second year anniversary of the date of the grant; 6,118 units shall vest on the third year anniversary of the date of grant; and 1,530 units shall vest quarterly following the third anniversary date of the grant. These vesting terms reflect updates from the vesting terms stated on the original form 4, filed November 18, 2021, due to erroneous vesting terms being stated on the original form 4.

SEC source: 0001214659-26-002249 · marketforms-72282.xml · nonDerivative · entry 2

Uchida T Christopher · CIK 0001772379 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,752

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

SEC source: 0001214659-26-002249 · marketforms-72282.xml · nonDerivative · entry 1

Uchida T Christopher · CIK 0001772379 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,535

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001214659-26-002248 · marketforms-72281.xml · derivative · entry 3

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,060

Underlying: Common Stock · 1,020 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The original RSU grant was for 20,396 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 4,079 units shall vest on the first year anniversary of the date of the grant; 4,079 units shall vest on the second year anniversary of the date of the grant; 4,078 units shall vest on the third year anniversary of the date of grant; and 1,020 units shall vest quarterly following the third anniversary date of the grant.

F3 · derivative.expiration_date: The original RSU grant was for 20,396 shares on 11/18/2021. Subject to continuing service with the Company, the restricted stock units shall vest as follows: 4,079 units shall vest on the first year anniversary of the date of the grant; 4,079 units shall vest on the second year anniversary of the date of the grant; 4,078 units shall vest on the third year anniversary of the date of grant; and 1,020 units shall vest quarterly following the third anniversary date of the grant.

SEC source: 0001214659-26-002248 · marketforms-72281.xml · nonDerivative · entry 2

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,919

F1 · kind: Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.

F2 · balance_after: Includes 2,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-002248 · marketforms-72281.xml · nonDerivative · entry 1

Christianson Jon · CIK 0001772607 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,441

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 2,410 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 9

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 343,388

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 8

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 343,811

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 7

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 343,911

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001214659-26-001729 · marketforms-72159.xml · nonDerivative · entry 6

Armstrong Mac · CIK 0001772383 · Director · CEO and Chairman

10b5-1 filing: Plan reported

Ownership: Indirect · By Armstrong Family Trust

Disclosed balance after: 344,934

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.27 to $117.73 (weighted average of $117.5767), inclusive; $119.02 to $119.88 (weighted average of $119.4245),inclusive; $120.12 to $121.02 (weighted average of $120.5740), inclusive; $121.16 to $121.5 (weighted average of $121.3225), inclusive; $123.12 to $124.04 (weighted average of $123.6333), inclusive; $124.23 to $125.15 (weighted average of $124.7764), inclusive; $126.06 to $126.17 (weighted average of $126.1469), inclusive; and $127.51 to $128.4 (weighted average of $128.2546), inclusive. The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.